CN109174948A - It is a kind of for original position or the heat transfer unit (HTU) of dystopy thermal desorption soil remediation - Google Patents
It is a kind of for original position or the heat transfer unit (HTU) of dystopy thermal desorption soil remediation Download PDFInfo
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- CN109174948A CN109174948A CN201811183576.0A CN201811183576A CN109174948A CN 109174948 A CN109174948 A CN 109174948A CN 201811183576 A CN201811183576 A CN 201811183576A CN 109174948 A CN109174948 A CN 109174948A
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- pipe
- conducting medium
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- 239000002689 soil Substances 0.000 title claims abstract description 19
- 238000003795 desorption Methods 0.000 title claims abstract description 13
- 238000005067 remediation Methods 0.000 title claims abstract description 11
- 238000005192 partition Methods 0.000 claims abstract description 70
- 230000008676 import Effects 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims abstract description 10
- 210000004262 dental pulp cavity Anatomy 0.000 claims abstract description 4
- 238000010276 construction Methods 0.000 claims description 24
- 239000011148 porous material Substances 0.000 claims description 7
- 208000002925 dental caries Diseases 0.000 claims description 5
- 230000035807 sensation Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 239000002957 persistent organic pollutant Substances 0.000 description 13
- 238000000034 method Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000011065 in-situ storage Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 231100000614 poison Toxicity 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 206010028980 Neoplasm Diseases 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 201000011510 cancer Diseases 0.000 description 1
- 230000001684 chronic effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000035558 fertility Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 210000000987 immune system Anatomy 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002688 persistence Effects 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/06—Reclamation of contaminated soil thermally
Landscapes
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Road Paving Structures (AREA)
Abstract
The invention discloses the heat transfer unit (HTU)s for original position or dystopy thermal desorption soil remediation field, including the pipe (2) with axial partition in a root canal, even number runner is separated into pipe, the sealing of pipe lower end is equipped with end cap (1), and axial partition is separated out several runners or cavity for passing through heat-conducting medium back and forth；The upper end of pipe is i.e. in band partition pipe (2) other end, it installs heat-conducting medium import (3), heat-conducting medium exports (4), heat-conducting medium import is connected directly at least one cavity in half runner in even number runner, heat-conducting medium is exported to be connected directly at least one cavity of the other half runner in even number runner, another runner that half runner and the other half described runner are equipped in the runner and the other half described runner in interface channel or the even number runner in half runner at the lower end sealing of pipe in the even number runner is equipped with interface channel at the lower end sealing of pipe.
Description
Technical field
The invention discloses a kind of for original position/dystopy thermal desorption soil remediation field heat transfer unit (HTU), belongs to Polluted Soil
The technical field of earth prosthetic device.
Background technique
Persistence organic pollutant (Persistent Organic Pollutants, POPs) because have extended residual,
The characteristics such as biological accumulation, half volatilization and high poison, and can be migrated in the environment middle and long distance such as big gas and water and soil, eventually by
Food chain enters human body, causes the extensive concern of international community.Research finds that long-term chronic exposure POPs may result in cancer
Disease damages maincenter and peripheral neverous system, destroys immune system, destroys fecundity and influences infant's normal development；It is certain to hold
Long influence of the property organic pollutant to the mankind can continue several generations, constitute significant threat to human survival procreation and sustainable development.
As industrialization and urbanization quickly propel, some manufacturing enterprises for being related to POPs close or change the line of production.Due to production
Equipment is outmoded, technique is backward, workshop is simple and crude and the evaporating, emitting, dripping or leaking of liquid or gas in production process, " three wastes " discharge etc. inevitably lead
The production factory site of these POPs chemicals, the stacking place of poisonous and harmful POPs waste and periphery place is caused to pollute as POPs
Place.The soil of POPs contaminated site loses original physical and chemical and biological nature, causes significantly to ambient enviroment and human body
Adverse effect, it is necessary to which being administered can just re-use.
Thermal desorption technology is a kind of reparation means for being verified, being widely used for POPs contaminated sites recovery technique.
Thermal desorption technology is by heating contaminated soil, to remove the organic pollutant of volatilization or half volatilization.POPs contaminated sites reparation
Technology can be divided into based technique for in-situ remediation and showering technology according to the position of recovery project.In-situ immobilization refers to contaminated site
In pollutant in situ remediation；Showering refers to soil is dug out after reprocess.
The structure of the heating device of traditional thermal desorption technology uses cannula structure.Heat-conducting medium only can be in heater
Round trip, and diabatic process is only the outbound or return in two-way process conducts heat for one way, the heat transfer medium residence time is short,
The thermal efficiency is low.Rigid outer tube is poor, and work progress be easy to cause outer tube to bend, so that inner tube can not construct；And the set of site operation
Pipe, inner tube and outer coaxial tube degree are poor, and inner tube is easy to contact influence heat transfer with outer tube.Cannula structure make heat-conducting medium into,
One of interface of outlet need to be picked out from heating tube outer tube, and ground exposed portion length is longer, and it is big that heat dissipates consumption.
Summary of the invention
It is an object of the present invention to overcome above-mentioned deficiency, propose a kind of for original position or dystopy thermal desorption soil remediation
Heat transfer unit (HTU) or thermally conductive heating device；Change the cuff topology of conventional heater, and increases the round-trip number of passes of heat-conducting medium.
The present invention is using a kind of round-trip number of passes of heat-conducting medium is more, the heat transfer medium residence time is long, heat-transfer effect is good, aerial part structure letter
It is single, structure stiffness by itself is good, the heat transfer unit (HTU) convenient for construction for original position/dystopy thermal desorption soil remediation field.
The technical scheme is that the heat transfer unit (HTU) for original position or dystopy thermal desorption soil remediation field, including one
The pipe (2) of axial partition is had in root canal, and the runner of even number runner, especially two, the sealing of pipe lower end are separated into pipe
Or it is equipped with end cap (1), axial partition is separated out several runners or cavity for passing through heat-conducting medium back and forth；The upper end of pipe exists
Band partition pipe (2) other end, installation heat-conducting medium import (3), heat-conducting medium outlet (4), heat-conducting medium import (3) and even number
At least one cavity in runner in half runner is connected directly, and heat-conducting medium exports another semi-fluid in (4) and even number runner
At least one cavity in road is connected directly, and half runner and the other half described runner are close in the lower end of pipe in the even number runner
Interface channel is equipped at envelope.
Or the runner in the even number runner in half runner and another runner in the other half described runner are in pipe
Lower end sealing at be equipped with interface channel.
Interval, which is equipped with, when being separated into 2 runners for inner axial tube partition, at the lower end sealing of pipe is used as interface channel.
Band partition pipe (2) pipe is used as heat conduction shell with end cap (lower end) (1), and being embedded in needs in rehabilitating soil.It is intermediate
One end with the pipe (1) along axial partition is connect with end cap (2), constitutes a chamber that heat-conducting medium can be made to pass through back and forth
Body；In band partition pipe (1) upper end, that is, other end, heat-conducting medium import (3), heat-conducting medium outlet (4) connect with two cavitys respectively
It connects；
A cavity that heat-conducting medium can be made to pass through back and forth described in the heat transfer unit (HTU), comprising:
1) the primary round-trip cavity of heat-conducting medium is constituted；It is separated into two runners or cavity；
2) heat-conducting medium cavity round-trip twice is constituted；It is separated into four runners or cavity；
3) heat-conducting medium round-trip cavity three times is constituted；It is separated into six runners or cavity；
4) the multiple round-trip cavity of heat-conducting medium is constituted.It is separated into a runner of two N (N is greater than 3) or cavity.
The pipe (1) along axial partition is had for a centre of the cavity described in the heat transfer unit (HTU),
Structure includes but is not limited to structure shown in Fig. 2 to Fig. 9.
Partition pipe (2) pipe is used as heat conduction shell with end cap (lower end) (1), and being embedded in needs in rehabilitating soil；Intermediate Gray
There is one end of the pipe (1) along axial partition to connect with end cap (2), constitutes a chamber that heat-conducting medium can be made to pass through back and forth
Body；In band partition pipe (1) upper end, that is, other end, heat-conducting medium import (3), heat-conducting medium outlet (4) connect with two cavitys respectively
It connects.
Beneficial effect, the present invention changes the topological structure of conventional heater, and diabatic process two-way process round trip journey passes
Heat, heat transfer medium residence time length, the thermal efficiency are high.And increase the round-trip number of passes of heat-conducting medium.Heat-transfer effect is good, aerial part knot
Simple, the axial partition of structure has humidification, and structure stiffness by itself is good, repairing convenient for the original position/dystopy thermal desorption soil that is used for of construction
The heat transfer unit (HTU) in multiple field.Overcome rigid outer tube poor, the deficiency that work progress be easy to cause outer tube to bend.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the intermediate special-shaped round tube sectional view with along axial partition；It also is the cross-sectional view of the centre of Fig. 1；
Fig. 3 is the splicing construction sectional view of two semi-circular tubes；
Fig. 4 is round tube and the splicing construction sectional view along round tube axial screw shape partition or flat partition board；
Fig. 5 is the intermediate special-shaped round tube sectional view with along axial cross shape partition；
Fig. 6 is the splicing construction sectional view of four a quarter round tubes；
Fig. 7 is the rectangular sectional view of splicing construction of four 90 ° of triangular pipes；
Fig. 8 is the splicing construction section of round tube with cross partition or cross flat partition board along axis rotation；
Fig. 9 is the splicing construction of 60 ° of triangular pipes of the six roots of sensation into hexagonal cross-section figure.
Part description in figure: 1- end cap, with the special-shaped round tube along axial partition among 2-, 3- heat-conducting medium into
Mouthful, the outlet of 4- heat-conducting medium.
Specific embodiment
As shown, a kind of for original position/dystopy thermal desorption soil remediation field heat transfer unit (HTU), comprising:
● one end that a centre has the pipe (1) along axial partition is connect with end cap (2), and constituting one can make to lead
The cavity that thermal medium passes through back and forth；The runner circulation of lower end two (or runner circulation in pairs) of pipe, preferentially using metal material
Tubing can also use the tubing of heat-proof macromolecule material；
● in band partition pipe (1) other end, heat-conducting medium import (3), heat-conducting medium outlet (4) connect with two cavitys respectively
It connects；
● band partition pipe (1) and end cap (2) are used as heat conduction shell, and being embedded in needs in rehabilitating soil.
The heat transfer unit (HTU) a, wherein centre for constituting cavity described above has along axial partition
Pipe (1), structure be all following structures topological structure, including but not limited to:
● a centre has the special-shaped round tube along axial partition, section such as Fig. 2；
● the splicing construction of two semi-circular tubes, section such as Fig. 3；
● a round tube and one piece of splicing construction along round tube axial direction partition, section such as Fig. 4；
● a round tube and one piece of splicing construction along round tube axial screw shape partition, section such as Fig. 4；
In Fig. 5-7, when being separated into 4 or 6 runners for inner axial tube partition；It is round-trip twice to constitute heat-conducting medium
Cavity constitutes heat-conducting medium round-trip cavity three times.
● the splicing construction of four a quarter round tubes, section such as Fig. 6；
● the splicing construction of four 90 ° of triangular pipes, section such as Fig. 7；It can also be connect for four rectangular tubes；
● the splicing construction of a round tube and cross partition, section such as Fig. 8；
● the splicing construction of a round tube and the cross partition along round tube axial-rotation, section such as Fig. 8；
● the splicing construction of 60 ° of triangular pipes of the six roots of sensation (rounded triangle or small round tube also can), section such as Fig. 9.
The cross partition is divided into four partitions and is divided into four chambers, and the lower partition and end cap seal；First
The lower end of partition is equipped with intercommunicating pore, and the upper end of the second piece partition adjacent with first partition is equipped with intercommunicating pore；With second every
The lower end of the adjacent third piece partition 53 of plate is equipped with intercommunicating pore；The upper end of the four piece partition adjacent with third piece partition, which is equipped with, to be connected
Through-hole；Heat-conducting medium import connects the cavity that is divided into of first and second partition, heat-conducting medium outlet connection the 4th, a piece of partition every
At cavity.
Claims (7)
1. for the heat transfer unit (HTU) of original position or dystopy thermal desorption soil remediation field, including the pipe with axial partition in a root canal
(2), it is separated into even number runner in pipe, the sealing of pipe lower end or is equipped with end cap (1), axial partition, which is separated out, several to be made to lead
The runner or cavity that thermal medium passes through back and forth；The upper end of pipe i.e. band partition pipe (2) other end, installation heat-conducting medium import (3),
Heat-conducting medium exports (4), heat-conducting medium import (3) and the direct phase of at least one cavity in half runner in even number runner
Even, heat-conducting medium outlet (4) and at least one cavity of the other half runner in even number runner are connected directly, the even number stream
Half runner and the other half described runner are equipped with one in interface channel or the even number runner at the lower end sealing of pipe in road
Another runner in a runner and the other half described runner in half runner is equipped with interface channel at the lower end sealing of pipe.
2. heat transfer unit (HTU) according to claim 1, it is characterized in that being two runners in a root canal.
3. heat transfer unit (HTU) according to claim 2, it is characterized in that when being separated into 2 runners for inner axial tube partition,
It is equipped with interval at the lower end sealing of pipe and is used as interface channel.
4. heat transfer unit (HTU) according to claim 1, it is characterized in that being separated into 4 or 6 streams for inner axial tube partition
When road；It constitutes the round-trip twice cavity of heat-conducting medium or constitutes heat-conducting medium round-trip cavity three times.
5. heat transfer unit (HTU) according to claim 1, it is characterized in that making with partition pipe (2) pipe with end cap (lower end) (1)
For heat conduction shell, being embedded in is needed in rehabilitating soil；Centre one end and end cap (2) with the pipe (1) along axial partition are even
It connects, constitutes a cavity that heat-conducting medium can be made to pass through back and forth；In band partition pipe (1) upper end, that is, other end, heat-conducting medium import
(3), heat-conducting medium outlet (4) is connect with two cavitys respectively.
6. heat transfer unit (HTU) according to claim 1 a, it is characterized in that centre for being used to be separated into several cavitys
With the pipe (1) along axial partition, structure is the topological structure of all following structures, is comprised the following structure:
● a centre has the special-shaped round tube along axial partition；
● the splicing construction of two semi-circular tubes；
● a round tube and one piece of splicing construction along round tube axial direction partition；
● a round tube and one piece of splicing construction along round tube axial screw shape partition；
● a centre has the special-shaped round tube along axial cross shape partition；
● the splicing construction of four a quarter round tubes；
● the splicing construction of four 90 ° of triangular pipes；
● the splicing construction of a round tube and cross partition；
● the splicing construction of a round tube and the cross partition along round tube axial-rotation；
● the splicing construction of 60 ° of triangular pipes of the six roots of sensation.
7. heat transfer unit (HTU) described in one of -6 according to claim 1, it is characterized in that the cross partition is divided into four partitions
Four chambers are divided into, the lower partition and end cap seal；The lower end of first partition is equipped with intercommunicating pore, adjacent with first partition
Second partition upper end be equipped with intercommunicating pore；The lower end of the third piece partition 53 adjacent with second partition is equipped with intercommunicating pore；
The upper end of the four piece partition adjacent with third piece partition is equipped with intercommunicating pore；Heat-conducting medium import connect first and second partition every
At cavity, heat-conducting medium outlet connection the 4th, the cavity that is divided into of a piece of partition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811183576.0A CN109174948A (en) | 2018-10-11 | 2018-10-11 | It is a kind of for original position or the heat transfer unit (HTU) of dystopy thermal desorption soil remediation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811183576.0A CN109174948A (en) | 2018-10-11 | 2018-10-11 | It is a kind of for original position or the heat transfer unit (HTU) of dystopy thermal desorption soil remediation |
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| Publication Number | Publication Date |
|---|---|
| CN109174948A true CN109174948A (en) | 2019-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811183576.0A Pending CN109174948A (en) | 2018-10-11 | 2018-10-11 | It is a kind of for original position or the heat transfer unit (HTU) of dystopy thermal desorption soil remediation |
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| Country | Link |
|---|---|
| CN (1) | CN109174948A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111250523A (en) * | 2020-01-15 | 2020-06-09 | 北京石油化工学院 | Gas thermal desorption heating well with longitudinal soil heated uniformly |
| WO2022088327A1 (en) * | 2020-10-26 | 2022-05-05 | 无锡德林海环保科技股份有限公司 | Trap-type sludge in-situ treatment device and method |
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|---|---|---|---|---|
| US4714108A (en) * | 1985-05-13 | 1987-12-22 | Pyramid Industries, Inc. | Heat pump system |
| US5596935A (en) * | 1995-11-03 | 1997-01-28 | Astec Industries, Inc. | System for and method of soil remediation and hot mix asphalt production |
| US5658094A (en) * | 1996-01-05 | 1997-08-19 | Cedarapids, Inc | Energy recuperative soil remediation system |
| CN105598149A (en) * | 2016-01-29 | 2016-05-25 | 上海宝发环科技术有限公司 | Circular fluid thermal desorption soil contamination processing method and device |
| CN107052039A (en) * | 2017-05-12 | 2017-08-18 | 清华大学 | The electrical heating of contaminated site original position thermal desorption extracts/divulged information integrated apparatus |
| CN107520246A (en) * | 2017-09-26 | 2017-12-29 | 上海格林曼环境技术有限公司 | Burning heat transfer and residual neat recovering system for the thermal desorption reparation of contaminated site original position |
-
2018
- 2018-10-11 CN CN201811183576.0A patent/CN109174948A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4714108A (en) * | 1985-05-13 | 1987-12-22 | Pyramid Industries, Inc. | Heat pump system |
| US5596935A (en) * | 1995-11-03 | 1997-01-28 | Astec Industries, Inc. | System for and method of soil remediation and hot mix asphalt production |
| US5658094A (en) * | 1996-01-05 | 1997-08-19 | Cedarapids, Inc | Energy recuperative soil remediation system |
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| CN107052039A (en) * | 2017-05-12 | 2017-08-18 | 清华大学 | The electrical heating of contaminated site original position thermal desorption extracts/divulged information integrated apparatus |
| CN107520246A (en) * | 2017-09-26 | 2017-12-29 | 上海格林曼环境技术有限公司 | Burning heat transfer and residual neat recovering system for the thermal desorption reparation of contaminated site original position |
Non-Patent Citations (1)
| Title |
|---|
| 刘友英等主编: "《过程设备设计》", 西安电子科技大学出版社, pages: 231 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111250523A (en) * | 2020-01-15 | 2020-06-09 | 北京石油化工学院 | Gas thermal desorption heating well with longitudinal soil heated uniformly |
| CN111250523B (en) * | 2020-01-15 | 2021-08-20 | 北京石油化工学院 | Gas thermal desorption heating well with longitudinal soil heated uniformly |
| WO2022088327A1 (en) * | 2020-10-26 | 2022-05-05 | 无锡德林海环保科技股份有限公司 | Trap-type sludge in-situ treatment device and method |
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